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经营范围
发明名称
Non-linear electrical circuit element
摘要
申请公布号
GB684907(A)
申请公布日期
1952.12.24
申请号
GB19510012315
申请日期
1951.05.25
申请人
PHILCO CORPORATION
发明人
分类号
H01C7/118
主分类号
H01C7/118
代理机构
代理人
主权项
地址
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